/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Copyright (c) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file has been modified by Huawei to verify type inference by adding verification statements.
*/

// === tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithGenericCallSignatures3.ts ===
declare function AssertType(value:any, type:string):void;
// some complex cases of assignment compat of generic signatures that stress contextual signature instantiation

interface I<T, S> {
    <U>(f: (x: T) => (y: S) => U): U
}

let g: <T>(x: T) => <S>(y: S) => I<T, S>
AssertType(g, "<T>(T) => <S>(S) => I<T, S>");
AssertType(x, "T");
AssertType(y, "S");

let h: <T>(x: T) => <S>(y: S) => { <U>(f: (x: T) => (y: S) => U): U 
AssertType(h, "<T>(T) => <S>(S) => <U>((T) => (S) => U) => U");

AssertType(x, "T");

AssertType(y, "S");

AssertType(f, "(T) => (S) => U");

AssertType(x, "T");

AssertType(y, "S");
}

g = h // ok
AssertType(g = h, "<T>(T) => <S>(S) => <U>((T) => (S) => U) => U");
AssertType(g, "<T>(T) => <S>(S) => I<T, S>");
AssertType(h, "<T>(T) => <S>(S) => <U>((T) => (S) => U) => U");


